OpenTechnical

OT-2026-000071350

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071350) never changes.

Identity and time

Publication numberOT-2026-000071350 · never reused
Internal UUID01a0ae91-e0ed-797c-a597-69d4a6bb6ad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071350
StatusPUBLIC

Content hashes

Canonical texta9773115e456d0c1a1dc1b70676d8c4d193302605cf3559a290174bfdb4a4f37
Markdowndfcd1e1dd8b75bb93581543764d9e0246bcfbc511ffbfd481192e72b5a21238a
PDF
Publication page8b0e26762c42323a5d141fe41fd10b77b54fe577b9df15709be5ccfab763743c
Manifest7f3a282405b879c2f7b6b4c5c6bff2ac4e755301e622caae9cd8e8582384223e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefG3f4wNW4TFpJpBYK2L50EvwP9AK/tqTj5twII8o1mUnO2gyu2L4jksSJWx5QGfpug5UzmbEKv4F8nLO2HoTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:57.307601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071350
observed 8b0e26762c42323a5d141fe41fd10b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.290545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071350/manifest.json
observed 7f3a282405b879c2f7b6b4c5c6bff2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.271982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071350/publication.md
observed dfcd1e1dd8b75bb93581543764d9e024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.252423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071350/publication.txt
observed a9773115e456d0c1a1dc1b70676d8c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.